Match ends, Middlesbrough 1, Arsenal 2.

Second Half ends, Middlesbrough 1, Arsenal 2.

Nacho Monreal (Arsenal) wins a free kick in the defensive half.

Foul by Adama Traoré (Middlesbrough).

Attempt missed. Olivier Giroud (Arsenal) left footed shot from outside the box is close, but misses to the left. Assisted by Aaron Ramsey.

Attempt missed. Alex Oxlade-Chamberlain (Arsenal) right footed shot from the right side of the box is close, but misses to the right. Assisted by Granit Xhaka following a fast break.

Attempt saved. Alex Oxlade-Chamberlain (Arsenal) right footed shot from the right side of the six yard box is saved in the centre of the goal. Assisted by Héctor Bellerín.

Substitution, Arsenal. Héctor Bellerín replaces Mesut Özil.

Substitution, Arsenal. Francis Coquelin replaces Alexis Sánchez.

Attempt saved. Ben Gibson (Middlesbrough) left footed shot from very close range is saved in the centre of the goal.

Hand ball by Alexis Sánchez (Arsenal).

Offside, Middlesbrough. Daniel Ayala tries a through ball, but Rudy Gestede is caught offside.

Attempt saved. Daniel Ayala (Middlesbrough) header from the centre of the box is saved in the bottom right corner. Assisted by Adam Clayton with a cross.

Corner, Middlesbrough. Conceded by Rob Holding.

Rudy Gestede (Middlesbrough) is shown the yellow card for a bad foul.

Attempt missed. Olivier Giroud (Arsenal) left footed shot from the centre of the box is close, but misses the top left corner. Assisted by Alexis Sánchez.

Attempt saved. Álvaro Negredo (Middlesbrough) left footed shot from the centre of the box is saved in the bottom left corner. Assisted by Rudy Gestede.

Substitution, Middlesbrough. Rudy Gestede replaces Marten de Roon.

Foul by Nacho Monreal (Arsenal).

Adama Traoré (Middlesbrough) wins a free kick on the right wing.

Goal! Middlesbrough 1, Arsenal 2. Mesut Özil (Arsenal) right footed shot from the centre of the box to the bottom left corner. Assisted by Aaron Ramsey.

Foul by Alexis Sánchez (Arsenal).

Adam Clayton (Middlesbrough) wins a free kick in the defensive half.

Substitution, Middlesbrough. Adama Traoré replaces Gastón Ramírez.

Attempt missed. Gabriel (Arsenal) right footed shot from outside the box misses to the left.

Foul by Marten de Roon (Middlesbrough).

Alex Oxlade-Chamberlain (Arsenal) wins a free kick in the defensive half.

Attempt blocked. Nacho Monreal (Arsenal) left footed shot from outside the box is blocked.

Corner, Arsenal. Conceded by George Friend.

Attempt missed. Daniel Ayala (Middlesbrough) left footed shot from very close range misses to the left following a set piece situation.

Attempt saved. Daniel Ayala (Middlesbrough) header from the centre of the box is saved in the bottom left corner. Assisted by George Friend with a headed pass.

Álvaro Negredo (Middlesbrough) wins a free kick on the right wing.

George Friend (Middlesbrough) wins a free kick in the defensive half.

Foul by Aaron Ramsey (Arsenal).

Foul by Adam Clayton (Middlesbrough).

Attempt blocked. Olivier Giroud (Arsenal) left footed shot from the centre of the box is blocked.

Attempt blocked. Granit Xhaka (Arsenal) left footed shot from outside the box is blocked.

Foul by Antonio Barragán (Middlesbrough).

Alexis Sánchez (Arsenal) wins a free kick in the attacking half.

Attempt missed. Stewart Downing (Middlesbrough) left footed shot from the right side of the box is too high.

Delay over. They are ready to continue.

Delay in match Álvaro Negredo (Middlesbrough) because of an injury.

Goal! Middlesbrough 1, Arsenal 1. Álvaro Negredo (Middlesbrough) left footed shot from the centre of the box to the bottom right corner. Assisted by Stewart Downing with a cross following a fast break.

Attempt missed. Marten de Roon (Middlesbrough) header from the centre of the box misses to the left. Assisted by Stewart Downing with a cross following a corner.

Corner, Middlesbrough. Conceded by Aaron Ramsey.

Second Half begins Middlesbrough 0, Arsenal 1.

First Half ends, Middlesbrough 0, Arsenal 1.

Offside, Middlesbrough. Antonio Barragán tries a through ball, but Stewart Downing is caught offside.

George Friend (Middlesbrough) wins a free kick on the left wing.

Foul by Mesut Özil (Arsenal).

Attempt blocked. Grant Leadbitter (Middlesbrough) right footed shot from outside the box is blocked.

Gabriel (Arsenal) is shown the yellow card for a bad foul.

Gastón Ramírez (Middlesbrough) wins a free kick in the attacking half.

Foul by Gabriel (Arsenal).

Goal! Middlesbrough 0, Arsenal 1. Alexis Sánchez (Arsenal) from a free kick with a right footed shot to the top left corner.

Granit Xhaka (Arsenal) wins a free kick in the attacking half.

Alex Oxlade-Chamberlain (Arsenal) wins a free kick on the right wing.

Adam Clayton (Middlesbrough) wins a free kick in the attacking half.

Foul by Gastón Ramírez (Middlesbrough).

Álvaro Negredo (Middlesbrough) wins a free kick on the left wing.

Foul by Granit Xhaka (Arsenal).

Attempt saved. Alexis Sánchez (Arsenal) left footed shot from the left side of the box is saved in the centre of the goal. Assisted by Rob Holding with a headed pass.

Corner, Arsenal. Conceded by Antonio Barragán.

Attempt blocked. Aaron Ramsey (Arsenal) right footed shot from the centre of the box is blocked. Assisted by Olivier Giroud with a headed pass.

George Friend (Middlesbrough) wins a free kick in the attacking half.

Attempt missed. Grant Leadbitter (Middlesbrough) right footed shot from outside the box is high and wide to the right. Assisted by Adam Clayton following a set piece situation.

Offside, Middlesbrough. Gastón Ramírez tries a through ball, but Marten de Roon is caught offside.

Foul by Olivier Giroud (Arsenal).

Adam Clayton (Middlesbrough) wins a free kick on the right wing.

Antonio Barragán (Middlesbrough) wins a free kick in the defensive half.

Substitution, Middlesbrough. George Friend replaces Fabio because of an injury.

Corner, Arsenal. Conceded by Ben Gibson.

Delay in match Fabio (Middlesbrough) because of an injury.

Attempt missed. Álvaro Negredo (Middlesbrough) left footed shot from more than 35 yards is high and wide to the right.

Aaron Ramsey (Arsenal) wins a free kick on the left wing.

Attempt blocked. Álvaro Negredo (Middlesbrough) left footed shot from the centre of the box is blocked. Assisted by Fabio.

Delay in match Grant Leadbitter (Middlesbrough) because of an injury.

Grant Leadbitter (Middlesbrough) is shown the yellow card for a bad foul.

Mesut Özil (Arsenal) wins a free kick in the attacking half.

Foul by Grant Leadbitter (Middlesbrough).

Foul by Rob Holding (Arsenal).

Antonio Barragán (Middlesbrough) wins a free kick on the right wing.

Attempt missed. Grant Leadbitter (Middlesbrough) right footed shot from outside the box is close, but misses to the right. Assisted by Gastón Ramírez following a set piece situation.

Alex Oxlade-Chamberlain (Arsenal) is shown the yellow card for a bad foul.

Foul by Alex Oxlade-Chamberlain (Arsenal).

Fabio (Middlesbrough) wins a free kick on the left wing.

Daniel Ayala (Middlesbrough) wins a free kick in the defensive half.

Alexis Sánchez (Arsenal) wins a free kick in the defensive half.

Lineups are announced and players are warming up.

First Half begins.